VAG HYsec Hydraulic Brake and Lift Unit for VAG EKN® Butterfly Valves

PN: 10/16/25 - DN: 300...1200

Productgroup: Butterfly Valves

Medium: Water, Sea water

The VAG HYsec hydraulic brake and lift unit meets all the requirements of safe and reliable operation. Combined with a VAG EKN® Butterfly Valve or a VAG RIKO® Plunger Valve, it serves as a quick-closing safety valve at turbine inlets and in pumping stations, as a pipe-burst safety device with hydro-mechanical activation or as a quick-opening valve in the turbine bypass.

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Quick-closing valve with hydraulic brake and lift unit
Hydraulic cylinder for external oil supply for a pressure between 80 and 200 bar
Lever and weight with double bearing, angular joint bearing on one side and with bearing ring made of PTFE gliding sheet on the other side. This prevents the transmission of drop weight loads to the valve bearing.
Modular design of the drop weight allows adaptation to the operation conditions
Two-piece drop-weight lever
Two limit switches to indicate the open and closed positions, protection class IP 65
Two-step hydraulic cylinder and adjustable limit stop for the closed position
Compact design consisting of the valve plus mounted actuator
Opening and closing time depending on the external oil supply

Console and lever: SJ235
Drop weight: Cast iron EN-JL- 1040 (GG-25)
Bearing pins, bolts and coupling: Stainless steel 1.4021
Lever bearing: Stainless steel 1.4305 or rather zinc-free bronze and PTFE

Bracket, lever: Epoxy primer and top coating
Drop weight: Epoxy coating

Technical datasheet

VAG HYsec Hydraulic Brake and Lift Unit
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Assembly and operating instruction

HYsec
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Product information

HYsec
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Tender text

HYsec F RIKO
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Video

HYsec
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Contact

VAG Valves (India) Private Limited

Plot No. 57 & 56 Phase-III, TSIIC Pashamylaram Patancheru (M) Sangareddy (D) – 502307

Telangana, India Phone: +91 91000 54249

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